The average human body contains 5.00 L of blood with a Fe2+ concentration of 3.00105 M . If a person ingests 12.0 mL of 12.

The average human body contains 5.00 L of blood with a Fe2+ concentration of 3.00×10−5 M . If a person ingests 12.0 mL of 12.0 mM NaCN, what percentage of iron(II) in the blood would be sequestered by the cyanide ion?